{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["place of death", "place of birth", "education institution", "education degree"], "input": "son, John, who became first Mayor John Petrie of Brisbane . His third son, Thomas, gained much knowledge of the Aboriginal tribes and their customs and languages. Their house was one of the social centres of Brisbane and readily offered accommodation to squatters coming from the outback, especially in the days before Brisbane had a few inns. Petrie was also always being willing to help with food and work to the poor."}
{"place of death": [{"subject": "Mayor John Petrie", "object": "Brisbane"}], "place of birth": [], "education institution": [], "education degree": []}